Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
| HOUR | OPOLSKA ST. | ROOF (BEFORE FILTERS) |  |
AIR SUPPLIED TO OFFICES | |||
|---|---|---|---|---|---|---|---|
| 0000 | 176 | severely polluted | good | 32 | ⇨ | 1 | excellent |
| 2300 | 186 | severely polluted | good | 34 | ⇨ | 1 | excellent |
| 2200 | 200 | severely polluted | good | 34 | ⇨ | 1 | excellent |
| 2100 | 186 | severely polluted | good | 34 | ⇨ | 1 | excellent |
| 2000 | 193 | severely polluted | good | 33 | ⇨ | 1 | excellent |
| 1900 | 164 | severely polluted | good | 32 | ⇨ | 1 | excellent |
| 1800 | 158 | severely polluted | good | 31 | ⇨ | 1 | excellent |
| 1700 | 159 | severely polluted | good | 32 | ⇨ | 1 | excellent |
| 1600 | 160 | severely polluted | good | 34 | ⇨ | 1 | excellent |
| 1500 | 135 | severely polluted | good | 28 | ⇨ | 1 | excellent |
| 1400 | 133 | severely polluted | good | 31 | ⇨ | 1 | excellent |
| 1300 | 128 | severely polluted | good | 28 | ⇨ | 1 | excellent |
| 1200 | 114 | heavily polluted | good | 25 | ⇨ | 1 | excellent |
| 1100 | 96 | heavily polluted | good | 21 | ⇨ | 1 | excellent |
| 1000 | 89 | heavily polluted | good | 19 | ⇨ | 1 | excellent |
| 0900 | 87 | heavily polluted | good | 17 | ⇨ | 1 | excellent |
| 0800 | 104 | heavily polluted | good | 17 | ⇨ | 1 | excellent |
| 0700 | 88 | heavily polluted | good | 17 | ⇨ | 1 | excellent |
| 0600 | 90 | heavily polluted | good | 17 | ⇨ | 1 | excellent |
| 0500 | 94 | heavily polluted | good | 17 | ⇨ | 1 | excellent |
| 0400 | 100 | heavily polluted | good | 17 | ⇨ | 1 | excellent |
| 0300 | 104 | heavily polluted | good | 19 | ⇨ | 1 | excellent |
| 0200 | 117 | heavily polluted | good | 19 | ⇨ | 1 | excellent |
| 0100 | 125 | severely polluted | good | 18 | ⇨ | 1 | excellent |